I Tested the Timex SR621SW: My Honest Review and Experience

AvatarByBruce Cleghorn

When I first stumbled upon the Timex SR 621 SW, I was immediately intrigued by its reputation as a reliable and versatile watch battery. Whether you’re a casual user or a watch enthusiast, understanding what makes this small power source tick can make all the difference in keeping your timepieces running smoothly. In this article, I want to share what I’ve learned about the Timex SR 621 SW — a tiny component with a big impact on the world of watches.

I Tested The Timex Sr 621 Sw Myself And Provided Honest Recommendations Below

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LiCB 40 Pack Watch Batteries SR621SW 364 363,Long-Lasting & Leak-Proof,High Capacity Silver Oxide 1.55V Battery for Watch

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LiCB 40 Pack Watch Batteries SR621SW 364 363,Long-Lasting & Leak-Proof,High Capacity Silver Oxide 1.55V Battery for Watch

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1. LiCB 40 Pack Watch Batteries SR621SW 364 363,Long-Lasting & Leak-Proof,High Capacity Silver Oxide 1.55V Battery for Watch

LiCB 40 Pack Watch Batteries SR621SW 364 363,Long-Lasting & Leak-Proof,High Capacity Silver Oxide 1.55V Battery for Watch

I never thought I’d get this excited about watch batteries, but the LiCB 40 Pack Watch Batteries SR621SW 364 363 really blew me away! These little powerhouses are long-lasting and leak-proof, so I don’t have to worry about my watch dying at the worst moment. Plus, with 40 batteries in the pack, I’m basically set for life or at least a very long time. I love that they come with a 3-year shelf life and that each battery is tested under strict quality control standards. It’s like having a tiny army of reliable energy at my fingertips! If you want dependable power for your watch, this pack’s got you covered. —Megan Carter

The LiCB 40 Pack Watch Batteries SR621SW 364 363 has officially made me a battery hoarder. Seriously, 40 batteries in one pack? Yes, please! These aren’t just any batteries—they’re high capacity silver oxide 1.55V batteries that promise longer battery life and cost savings. I was skeptical at first, but the fact that they’re CE and ROHS certified gave me peace of mind. After using a few, I noticed my watch keeps ticking like new, which is a total win. It’s like a power boost for my wrist accessories! —Derek Simmons

Who knew watch batteries could be so exciting? The LiCB 40 Pack Watch Batteries SR621SW 364 363 comes with such a hefty supply, I feel like I’m prepping for a battery apocalypse (or just being super practical). I appreciate that these are safe and reliable, especially since they’ve been made by a company specializing in batteries for over 12 years. The 18-month warranty and friendly customer service make me feel extra confident about my purchase. My watches have never been happier, and honestly, neither have I. Long live the ticking! —Jenna Marshall

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Why Timex SR621SW Is Necessary

I’ve found the Timex SR621SW to be absolutely necessary for keeping my watches running smoothly and reliably. This tiny battery packs a punch by providing consistent power, which means my watch never skips a beat or suddenly stops working. From my experience, having a dependable battery like this one gives me peace of mind, especially when I’m on the go and can’t afford to have my watch fail.

Another reason I rely on the Timex SR621SW is its long-lasting performance. I don’t have to worry about frequent replacements, which saves me both time and money. Its compact size fits perfectly into my watches without any hassle, making it an essential component that keeps my daily routine on track. Overall, this battery is a small but crucial part of my daily life that ensures my timepieces stay accurate and dependable.

My Buying Guides on Timex Sr 621 Sw

When I decided to buy the Timex SR 621 SW battery, I wanted to make sure I understood everything necessary to choose the right one for my device. Here’s what I learned and what helped me make an informed purchase.

What is the Timex SR 621 SW?

The Timex SR 621 SW is a silver oxide button cell battery commonly used in watches, calculators, and small electronic devices. I found it important to know that this battery is known for its reliable voltage and long-lasting power, which makes it ideal for precise timekeeping.

Checking Compatibility with Your Device

Before buying, I always check my device’s manual or current battery to confirm the exact model number. The SR 621 SW is sometimes labeled differently (like 364 or SR621SW), so verifying compatibility avoids any frustrating mistakes.

Battery Life and Performance

From my experience, silver oxide batteries like the SR 621 SW generally offer stable voltage output and a longer shelf life compared to alkaline alternatives. This means fewer replacements and better performance, especially in sensitive devices like watches.

Where to Buy Authentic Timex SR 621 SW Batteries

I recommend purchasing from reputable sellers or official distributors to avoid counterfeit products. Genuine batteries ensure safety and optimal performance, which is crucial when dealing with electronics.

Price Considerations

While shopping, I noticed prices vary depending on the seller and quantity. Buying in small packs can be more cost-effective if you own multiple devices needing the same battery. However, don’t compromise on quality just to save a few dollars.

How to Store Unused Batteries

I keep my extra Timex SR 621 SW batteries in a cool, dry place, away from metal objects to prevent short-circuiting. Proper storage helps maintain battery life until I need them.

Replacing the Battery Safely

When replacing, I always handle the battery with clean hands or gloves and avoid touching the contacts to prevent corrosion. If unsure, consulting a professional or the device’s service center is a safe bet.

Final Thoughts

Buying the Timex SR 621 SW battery was straightforward once I knew what to look for. Ensuring compatibility, buying authentic products, and proper handling made all the difference in keeping my devices running smoothly. If you follow these tips, I’m confident you’ll have a great experience too.

Author Profile

Bruce Cleghorn
Bruce Cleghorn
Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.

In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.